The 15th annual Celebration of Service to America Awards, produced by the NAB Education Foundation (NABEF), will take place Monday, June 3 in Washington, D.C. Recognized among the top Washington events, the gala will honor radio and television broadcasters from across the country for exceptional community service. The event will also include the presentation of NABEF's highest honor, the Service to America Leadership Award, to Stevie Wonder, with four-time Grammy Award nominee Oleta Adams performing a musical tribute to Wonder.